It is also used heavily in build automation and DevOps space, which is one of the important skills for programmers.
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Grails include everything you need in a single zip file a web server (Jetty), a database (HSQLDB), Spring, Hibernate, even a Groovy version of Ant called GANT It is the more concise, expressive and same time as powerful as Java itself. You'll be amazed at how quickly you can create a real-world web application up and run from ground zero. Grails is the framework to develop a web application using Groovy. The Grails and Gradle framework are built using the Groovy language. Some popular unit testing frameworks like Spock is also built on Groovy. Because of this property, Groovy is heavily used in unit testing of Java application. You can declare an array as and map as which really makes code full of data without much syntax. For example, a Groovy file can do in 50 lines what a Java source code does in 500 lines. Groovy not only present a succinct and easy to read syntax but also provide a much more elegant and convenient API than Java for common stuff. It aims to increase the productivity of Java developers by simplifying Java code and removing unnecessary boilerplate. Groovy is a programming language that is specially created for Java developers with a view to being a fast-paced, scripting companion to Java.
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